2k+20=4k-18

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Solution for 2k+20=4k-18 equation:


Simplifying
2k + 20 = 4k + -18

Reorder the terms:
20 + 2k = 4k + -18

Reorder the terms:
20 + 2k = -18 + 4k

Solving
20 + 2k = -18 + 4k

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-4k' to each side of the equation.
20 + 2k + -4k = -18 + 4k + -4k

Combine like terms: 2k + -4k = -2k
20 + -2k = -18 + 4k + -4k

Combine like terms: 4k + -4k = 0
20 + -2k = -18 + 0
20 + -2k = -18

Add '-20' to each side of the equation.
20 + -20 + -2k = -18 + -20

Combine like terms: 20 + -20 = 0
0 + -2k = -18 + -20
-2k = -18 + -20

Combine like terms: -18 + -20 = -38
-2k = -38

Divide each side by '-2'.
k = 19

Simplifying
k = 19

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